The rules that use the vocabulary item "lav" are:

<i_f_v-sing>

antitank lav

lav

lav 25

lav a t

lav c2

lav m

lav mortar

lav r

lav with a mortar

lav with mortar

<i_f_v-pl>

lav 25s

lav a ts

lav c2s

lav mortars

lav ms

lav rs

lav with a mortars

lav with mortars

<i_f_v>

antitank lav

lav

lav 25

lav 25s

lav a t

lav a ts

lav c2

lav c2s

lav m

lav mortar

lav mortars

lav ms

lav r

lav rs

lav with a mortar

lav with a mortars

lav with mortar

lav with mortars